The glass body of this LED PAR38 reflector light bulb mimics the exact size and shape of traditional light bulbs, while still providing the energy-saving benefits of an LED light bulb. It is perfect for those wishing to upgrade to LED light bulbs while ensuring that the new light bulbs will not look out of place with existing fittings.This is suitable for all indoor applications requiring flood lighting. With a low heat output, it is ideal for retail displays and other commercial applications An excellent energy and maintenance savings option using only 15w and an average life of 30,000-hour life make this a perfect replacement for the older halogen versionsDimmable. IP65 rated - use outdoor in suitable fitting. Features a commonly used ES-E27 Edison screw (27mm) cap/base.Recommended for use with V-Pro Dimmer.Please note that even though the light bulb itself is IP65 rated, it must be used in a suitable IP65 rated socket in order for it to be used outside safely.Please visit the manufacturer\'s website for up-to-date dimmer switch compatibility lists for this Prolite LED PAR38 Reflector light bulb before purchase.To find the answers to some common questions about LED dimming, please read our guide Dimming for Dummies.